Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,579,621",
      "signature": "0x8c704a51f5e68da1807dd3176b1b1df5682345e25708176699bdc1db379e6fca6d9f7f3419605ad6cb85d3e0d47059bc",
      "randomness": "0xc37a4c423e1192a1e3107297044d344feedc923148f9ba81d54dfe350cee2911"
    }
  ],
  "blockNumber": "7,415,228"
}

{
  "Sr25519": "0xdc963f20305b7217a48df660f32cbdd295e875897348a78442888bcfc6744e4fdcf1d3d4f0f2f5ccc4f0d3829623ba98be0c55bd67ac1542b78c14205c0ab586"
}